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	- Do-while using is_LequivalentR() was supposed to be comparing
	  hash keys, but a 'keys' had been left off on one side.
	  Fixing that saves at least one loop.
	- Avoid calling recurse_solve() if the reduced primes hash is
	  empty.
     2015-1-6
	- Added new object-creating methods dual() and complement().
	- Added tests for the new methods.
     2015-1-1
	- No default parameters for find_essentials(). The primes
	  hash must be passed in, while the binary-formatted terms
	  are collectd from the object.
	- Found spots in QM.pm and Util.pm where a "sum map {}"
	  construct can be replaced with "any {}", which has the
	  advantage of early break out of the loop on a match.
     2014-12-3
	- The weight count in find_primes() and the cost count in
	  recursive_solve() were using sum of a map block using
	  split. A match in list context is much simpler, changed
	  them to that (and put the function for it in Util.pm).
     2014-11-27
	- Add \Q and \E around don't-care character in maskmatcher()
	  substitution code in case someone chose a substitution
	  metacharacter as their don't-care character.
     2014-11-26
	- Was looping around remel() for each arrayref in the hash.
	  Now just pass the hash in directly (this necessitated
	  changing one of the outer loops in purge_essentials,
	  and remel() becomes remels()).
     2014-11-13
	- The test with don't-care terms randomly fails two thirds
	  of the time. Separate it into its own file, and add
	  debugging statements.

     2014-11-4
	- Extended the object test to consider minterms, maxterms,
	  and columnstrings methods of creation.
	- deAlias considered finished and merged into the master
	  branch.
     2014-10-31
	- Added columnstring attribute, and wrote bitstring code
	  for setting and getting it.
	- Changed minterms, maxterms, and dontcares back to
	  'rw', allowing the columnstring attribute to set them.
     2014-10-28
	- Changed to_boolean() to take an argument list instead of
	  automatically using the covers attribute internally. This
	  will allow the user (or the test files) to check terms before
	  or during minimization.
	- Separated out the var-by-var code from to_boolean(). Now it
	  calls a new method to_boolean_term() for each individual term
	  in the covers (or other) list, for easier output manipulation.
     2014-09-28
	- The 'covers' attribute gets changed from ArrayRef[Int] to
	  ArrayRef[Str].
     2014-09-21
	- Added namespace::autoclean as recommended in the Moose Best
	  Practices manual.
	- Changed the all the "terms" attributes to 'ro'.
     2014-09-19
	- For internal clarity, renamed allterms() to all_bit_terms(),
	  and minmax_terms() to minmax_bit_terms().
	- Methods maskmatch() and maskmatches() now combined into a single
	  method (one called the other, but there was no reason for the
	  separate internal function, and it saved re-creating
	  utility variables over and over).
	- Check if there's an overlap between the don't-care list and
	  the min or max term list, and call it an error if there is.
	- Attributes actually check their type now (thanks Moose) so
	  the qw operators around the term lists are now removed in
	  the documentation and in the test files.
     2014-08-20
	- No more default arguments (in the form of $self->get_primes())
	  for row_dom(), col_dom(), and purge_essentials()). Always
	  pass in the argument -- it's less confusing that way.
	- Trim Util.pm of tobits() -- it's embedded in BUILD now.
     2014-08-19
	- More work in find_primes(). An array slice in a hash isn't
	  working as originally coded (I seem to recall the rules
	  changing some time ago). Changed it to two statements for
	  now.
     2014-07-07
	- After looking over the labeling in the run.t file, added
	  a new attribute, "title". We can now say what the A::QMcC
	  object actually represents.
	- Broke up run.t into separate test files. The original
	  file was compact and in theory easy to add to, but I was
	  having trouble figuring out what was causing my Moose
	  errors. Plus, there were too many eval calls in the code.
	- The original code changed the minterms, maxterms, and
	  dontcares attributes from the passed-in list of decimal
	  into bitstrings, and saved them back in the attributes.
	  We can't do that now, because Moose has set those fields
	  typed as 'ArrarRef[Int]'.
	  So, set up three new fields that represent the three fields
	  in their bitstring form: min_bits, max_bits, and dc_bits.
     2014-04-30
	- Moosified ("has" declarations) the attributes.
	- Achieved a compile-error-free version using Moose instead
	  of Alias. Now to make it runtime-error-free.
	- As part of the compilation process, moved from a Makefile.PL
	  base (which was creating errors of its own) to Build.PL,
	  which Just Works.
	- Turned attributes boolean, imp, and bits into a local
	  variables as they were only used in single functions.
	- Defined and made use of predicate functions for attributes
	  minterms, maxterms, and dontcares. Simplifies some sanity
	  checks.
	- Added methods allterms() and minmax_terms() to simplify
	  coding.
	- List::MoreUtils isn't actually being used in A::QMcC (it is
	  used in A::QMcC::Util though).

0.01	2006-06-24T21:32-0500
		First version, released on an unsuspecting world. Supports
		single-output problems only.